Specifications: +Sound boxes use needle punched felt +100%polyester fiber +needle punching, white +Color:Grey +MOQ:1TON Goods name: Sound boxes use needle punched felt Material: 100%polyester fiber Weight:500gsm Color:Grey Per roll size:200cm*100m Main uses: heat preservation, shockproof, seal & sound insulation etc. Craft:needle punching color:white MOQ:1ton for black and white, Business type:OEM and making to order is a vaiable Wight,color,thickness are also can be customized Colour, weight & size depends on your needs. A. High quality with reasonable price B. Customization accepted C. Solutions offered D. Long-term relationship favored production Process :Needle punchedfelts are Manufactured by,carded, combed,thepre-acupuncture, It is based on polyester, polypropylenematerials.Centersscreeningclothsandwich, and then bythedouble-channel nuclear Management,machine needleintocloth,pressurefilter clothaftera three-dimensionalstructurebyheat setting,singeingthe surfacemostchemicaloil , so thattheclothlooks smooth anduniformpore distributionanddensityof the productfrom the surface,smooth surfaceon both sidesandbreathable Sound boxes use needle punched felt